Alkali metals

Which alkali metal has the electron configuration 2.8.1

• Sodium

• Potassium

• Lithium

• Rubidium

Which alkali metal is most reactive out of the following

• rubidium

• potassium

• sodium

• lithium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons do the alkali metals have in their outer shell?

• 1

• 2

• 8

• 7

Tags

NGSS.HS-PS1-1

What happens to the reactivity of the alkali metals as you move down the group?

• increases

• decreases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What happens to the atomic radius of the alkali metals as you move down the group?

• increase

• decrease

Which alkali metal reacts with water to produce a violet flame?

• K

• Na

• Li

• DuNo

Tags

NGSS.HS-PS1-2

Which gas is released when the alkali metals react with water?

• hydrogen

• oxygen

• hydroxide

• carbon dioxide

Tags

NGSS.MS-PS1-2

Which of the following is NOT a property of group 1 metals?

• More dense than water

• less dense than water

• low melting point

• soft

Which alkali metal forms a molten ball when reacting with water?

• Li

• Na

• K

Which alkali metal is the least reactive?

• lithium

• sodium

• potassium

• rubidium